105562655545 has 4 divisors (see below), whose sum is σ = 126675186660. Its totient is φ = 84450124432.

The previous prime is 105562655533. The next prime is 105562655563. The reversal of 105562655545 is 545556265501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545556265501 = 13 ⋅41965866577.

It can be written as a sum of positive squares in 2 ways, for example, as 78035863801 + 27526791744 = 279349^2 + 165912^2 .

It is a cyclic number.

It is not a de Polignac number, because 105562655545 - 2¹³ = 105562647353 is a prime.

It is a super-2 number, since 2×105562655545² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10556265550 + ... + 10556265559.

It is an arithmetic number, because the mean of its divisors is an integer number (31668796665).

Almost surely, 2^105562655545 is an apocalyptic number.

It is an amenable number.

105562655545 is a deficient number, since it is larger than the sum of its proper divisors (21112531115).

105562655545 is an equidigital number, since it uses as much as digits as its factorization.

105562655545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21112531114.

The product of its (nonzero) digits is 4500000, while the sum is 49.

The spelling of 105562655545 in words is "one hundred five billion, five hundred sixty-two million, six hundred fifty-five thousand, five hundred forty-five".